Remove TestRunner notifications permissions calls.

This is part of a suite of four patches:
Part 1: https://codereview.chromium.org/1097383006
Part 2: https://codereview.chromium.org/1099943003
Part 3: https://codereview.chromium.org/1100163002
Part 4: <this>

BUG=475141

Review URL: https://codereview.chromium.org/1056633003

Cr-Commit-Position: refs/heads/master@{#326792}

content/shell/renderer/test_runner/test_runner.cc

@@ -276,8 +276,6 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
                        v8::Handle<v8::Function> callback);
   void SetPOSIXLocale(const std::string& locale);
   void SetMIDIAccessorResult(bool result);
-  void GrantWebNotificationPermission(gin::Arguments* args);
-  void ClearWebNotificationPermissions();
   void SimulateWebNotificationClick(const std::string& title);
   void AddMockSpeechRecognitionResult(const std::string& transcript,
                                       double confidence);
@@ -522,10 +520,6 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
       .SetMethod("setPOSIXLocale", &TestRunnerBindings::SetPOSIXLocale)
       .SetMethod("setMIDIAccessorResult",
                  &TestRunnerBindings::SetMIDIAccessorResult)
-      .SetMethod("grantWebNotificationPermission",
-                 &TestRunnerBindings::GrantWebNotificationPermission)
-      .SetMethod("clearWebNotificationPermissions",
-                 &TestRunnerBindings::ClearWebNotificationPermissions)
       .SetMethod("simulateWebNotificationClick",
                  &TestRunnerBindings::SimulateWebNotificationClick)
       .SetMethod("addMockSpeechRecognitionResult",
@@ -1320,12 +1314,6 @@ void TestRunnerBindings::SetMIDIAccessorResult(bool result) {
     runner_->SetMIDIAccessorResult(result);
 }
 
-void TestRunnerBindings::GrantWebNotificationPermission(gin::Arguments* args) {
-}
-
-void TestRunnerBindings::ClearWebNotificationPermissions() {
-}
-
 void TestRunnerBindings::SimulateWebNotificationClick(
     const std::string& title) {
   if (runner_)